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Marizza181 [45]
3 years ago
12

How many solutions does the equation have?

Mathematics
1 answer:
Lunna [17]3 years ago
6 0
6x + 3 = 3 + 6x
0 = 0

many solutions

answer
infinitely many
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Nina has some nickels and 9 pennies in her pocket. Her friend, Maurice has twice as many nickels as Nina. Together these coins a
algol13

So Maurice would have 2N nickels  

Total number of coins is N + 2N + 9 = 3N + 9  

Each nickel is 5 pennies  

3N of nickels = 15N pennies  

-----------  

Their worth is 84 cents  

15N + 9 = 84  

15N = 75  

N = 75/15 = 5  

N = 5  


This means Nina has 5 nickels.

4 0
3 years ago
Dan spends 2 5 of his wages on rent and 1 2 on food. If he makes ?430 per week, how much money does he have left?
BartSMP [9]

Answer:

Dan would be left over with $43 a week.

Step-by-step explanation:

\frac{2}{5} = 40%

\frac{1}{2} = 50%

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Food: $430 - 50% = $215

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$430 - $387 = $43

3 0
3 years ago
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Irina-Kira [14]
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Explanation

it costs $4.50 per sandwich so you multiply that by 6 which gets you $27. then you add the delivery fee ($10) to that and you get $37

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3 years ago
A gallon of milk costs #2.99. A half gallon of milk cost $1.49. Which is the better buy?
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80=20x4=10x2x2x2=5x2x2x2x2

5x2x2x2x2

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3 years ago
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